A multi-frequency antenna system and method for controlling inter-frequency interference in the multi-frequency antenna system

A multi-frequency antenna and antenna system technology, which is applied in the multi-frequency antenna system and the field of inter-frequency interference control within the multi-frequency antenna system, can solve problems such as inter-frequency interference, and achieve the effect of improving radiation gain and reducing inter-frequency interference

Active Publication Date: 2019-11-29
SHANGHAI HUAWEI TECH CO LTD
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Problems solved by technology

[0003] The present application provides a multi-frequency antenna system and a method for controlling inter-frequency interference in the multi-frequency antenna system, which can solve the problem of inter-frequency interference generated when different-frequency radiation units in the multi-frequency antenna system work at the same time in the prior art

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  • A multi-frequency antenna system and method for controlling inter-frequency interference in the multi-frequency antenna system
  • A multi-frequency antenna system and method for controlling inter-frequency interference in the multi-frequency antenna system
  • A multi-frequency antenna system and method for controlling inter-frequency interference in the multi-frequency antenna system

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[0077] The terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or modules is not necessarily limited to the expressly listed Those steps or modules, but may include other steps or modules that are not clearly listed or inherent to these processes, methods, products or equipment, and the division of modules presented in this application is only a logical division , ...

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Abstract

A multi-frequency antenna system and a method for controlling inter-frequency interference in the multi-frequency antenna system, the multi-frequency antenna system includes at least one first radiating unit and at least one second radiating unit, characterized in that the working of the first radiating unit The frequency band is higher than the working frequency band of the second radiating unit; each of the first radiating units includes a ground structure, a balun, and at least two radiating arms, and one end of the balun is electrically connected to the at least two radiating arms The balun includes at least one conductive structure; the balun is used to input the differential-mode signal into the ground structure through the at least one conductive structure after the differential-mode signal is obtained, and the differential-mode signal is The balun senses a signal from the second radiating unit in a differential mode. By adopting this solution, it is possible to reduce the inter-frequency interference caused by the differential-mode resonance between the radiating units of different frequencies.

Description

technical field [0001] The present application relates to the technical field of antennas, in particular to a multi-frequency antenna system and a method for controlling inter-frequency interference in the multi-frequency antenna system. Background technique [0002] in such as figure 1 In the multi-frequency antenna system shown, radiating units of different frequency bands can be deployed, and the structural diagram of the radiating unit can be referred to figure 2 . If two radiating units with different frequencies (such as a high-frequency radiating unit and a low-frequency radiating unit) work at the same time, for the high-frequency radiating unit, a low-frequency signal emitted by the low-frequency radiating unit will be induced on its radiating arm. The low-frequency signal can be transmitted from one radiation arm of the high-frequency radiation unit to another radiation arm of the high-frequency radiation unit after being induced by the feed sheet of the high-fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q5/10H01Q5/307H01Q5/50H01Q1/50H01Q1/52
CPCH01Q1/50H01Q1/521H01Q5/10H01Q5/307H01Q5/50H01Q21/26H01Q1/48H01Q15/14
Inventor 道坚丁九杜子静肖伟宏黄志国徐一骊
Owner SHANGHAI HUAWEI TECH CO LTD
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